Fifty shades of jade: Why Chinese buyers spend millions on this stone

Jade is revered in China, with a cultural significance that dates back thousands of years and a value that was cemented by China's Qing dynasty emperors, who prized it for its purity.

But as China's rising wealth sees demand for jade jewelry grow, and supply out of Myanmar dwindles, prices for jade have risen exponentially, sparking a change in the styles preferred by Chinese buyers, and attracting a new group of Western admirers.